create eicu-crd-demo-2.0.1.duckdb

• download eicu-collaborative-research-database-demo-2.0.1.zip
• convert this to duckdb without constraints
• release eicu-crd-demo-2.0.1.duckdb.tgz

create mimic-iv-demo-2.2.duckdb

• download mimic-iv-clinical-database-demo-2.2.zip
• convert this to duckdb without constraints
• release mimic-iv-demo-2.2.duckdb.tgz